I'm of the opinion that mountains are often best photographed from the valleys, and valleys best viewed from on high. These four photos of Lake District valleys were taken within a couple of miles of each other. C&C welcome (or I'd have posted them elsewhere )

I'm feeling nostalgic for the monochrome Duddon Vale, but the combination of colors in the foreground of Wasdale are intriguing. I like your theme of high viewpoint for valleys and low for mountains, it does seem to maximize the drama of the scene.

One of the things that grabs me about these pictures is the atmospheric perspective. Living in the Rockies, I'm more or less surrounded by vistas like these, but the air is so clear that this kind of beautiful shading into the distance simply isn't there. Sometimes, oncoming weather will produce this effect, but it's pretty rare and usually not this gentle. Bierstadt caught the Rocky Mountain version in "Among the Sierra Nevada Mountains." It's not very serene.